```html
<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>PromptCraft - AI 提示词优化与管理平台</title>
    <link rel="stylesheet" href="https://cdn.staticfile.org/font-awesome/6.4.0/css/all.min.css">
    <link rel="stylesheet" href="https://cdn.staticfile.org/tailwindcss/2.2.19/tailwind.min.css">
    <link href="https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;700&display=swap" rel="stylesheet">
    <script src="https://cdn.jsdelivr.net/npm/mermaid@latest/dist/mermaid.min.js"></script>
    <style>
        body {
            font-family: 'Noto Sans SC', Tahoma, Arial, Roboto, "Droid Sans", "Helvetica Neue", "Droid Sans Fallback", "Hiragino Sans GB", Simsun, sans-serif;
            background-color: #f8fafc;
            color: #1e293b;
        }
        .hero-gradient {
            background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #d946ef 100%);
        }
        .card-hover:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
        }
        .first-letter {
            font-size: 3.5rem;
            line-height: 1;
            float: left;
            margin-right: 0.75rem;
            margin-top: 0.3rem;
            font-weight: 700;
            color: #6366f1;
            font-family: 'Noto Serif SC', serif;
        }
        .section-divider {
            height: 1px;
            background: linear-gradient(90deg, transparent 0%, rgba(99, 102, 241, 0.3) 20%, rgba(99, 102, 241, 0.3) 80%, transparent 100%);
        }
    </style>
</head>
<body>
    <!-- Hero Section -->
    <section class="hero-gradient text-white min-h-screen flex items-center relative overflow-hidden">
        <div class="absolute inset-0 opacity-20" style="background-image: url('https://images.unsplash.com/photo-1635070041078-e363dbe005cb?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1470&q=80'); background-size: cover;"></div>
        <div class="container mx-auto px-6 z-10">
            <div class="max-w-4xl mx-auto text-center">
                <h1 class="text-5xl md:text-7xl font-bold mb-6 font-serif">Prompt<span class="text-indigo-200">Craft</span></h1>
                <p class="text-xl md:text-2xl opacity-90 mb-10 leading-relaxed max-w-3xl mx-auto">
                    您的 AI 提示词优化与管理专家，释放人工智能的无限潜能
                </p>
                <div class="flex flex-col sm:flex-row justify-center gap-4">
                    <a href="#features" class="bg-white text-indigo-600 hover:bg-indigo-50 px-8 py-4 rounded-lg font-medium text-lg transition-all duration-300 transform hover:scale-105 shadow-lg">
                        探索功能 <i class="fas fa-arrow-down ml-2"></i>
                    </a>
                    <a href="#try-now" class="border-2 border-white hover:bg-white hover:bg-opacity-10 px-8 py-4 rounded-lg font-medium text-lg transition-all duration-300 transform hover:scale-105">
                        立即体验 <i class="fas fa-rocket ml-2"></i>
                    </a>
                </div>
            </div>
        </div>
        <div class="absolute bottom-0 left-0 right-0 h-16 bg-white"></div>
    </section>

    <!-- Features Section -->
    <section id="features" class="py-20 bg-white">
        <div class="container mx-auto px-6">
            <div class="text-center mb-16">
                <h2 class="text-3xl md:text-4xl font-bold mb-4 font-serif">为什么选择 PromptCraft？</h2>
                <p class="text-lg text-slate-600 max-w-2xl mx-auto">
                    我们提供业界领先的 AI 提示词解决方案，帮助您从 AI 工具中获得最佳结果
                </p>
            </div>

            <div class="grid md:grid-cols-2 lg:grid-cols-4 gap-8">
                <!-- Feature 1 -->
                <div class="bg-white rounded-xl p-8 shadow-lg card-hover transition-all duration-300">
                    <div class="feature-icon rounded-full flex items-center justify-center text-white mb-6">
                        <i class="fas fa-magic text-2xl"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3">智能生成</h3>
                    <p class="text-slate-600">
                        通过引导式界面轻松创建高效提示词，无需专业编程知识
                    </p>
                </div>
                
                <!-- Feature 2 -->
                <div class="bg-white rounded-xl p-8 shadow-lg card-hover transition-all duration-300">
                    <div class="feature-icon rounded-full flex items-center justify-center text-white mb-6">
                        <i class="fas fa-database text-2xl"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3">强大词库</h3>
                    <p class="text-slate-600">
                        分类存储数千个经过验证的高质量提示词，覆盖各种应用场景
                    </p>
                </div>
                
                <!-- Feature 3 -->
                <div class="bg-white rounded-xl p-8 shadow-lg card-hover transition-all duration-300">
                    <div class="feature-icon rounded-full flex items-center justify-center text-white mb-6">
                        <i class="fas fa-chart-line text-2xl"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3">性能优化</h3>
                    <p class="text-slate-600">
                        分析提示词效果并提供改进建议，显著提升 AI 响应质量
                    </p>
                </div>
                
                <!-- Feature 4 -->
                <div class="bg-white rounded-xl p-8 shadow-lg card-hover transition-all duration-300">
                    <div class="feature-icon rounded-full flex items-center justify-center text-white mb-6">
                        <i class="fas fa-users text-2xl"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3">团队协作</h3>
                    <p class="text-slate-600">
                        共享和协同编辑提示词模板，统一团队 AI 使用规范
                    </p>
                </div>
            </div>
        </div>
    </section>

    <!-- Divider -->
    <div class="section-divider my-12"></div>

    <!-- Function Details Section -->
    <section class="py-20 bg-slate-50">
        <div class="container mx-auto px-6">
            <div class="text-center mb-16">
                <h2 class="text-3xl md:text-4xl font-bold mb-4 font-serif">核心功能</h2>
                <p class="text-lg text-slate-600 max-w-2xl mx-auto">
                    全面覆盖 AI 提示词生命周期管理的各个环节
                </p>
            </div>

            <div class="grid md:grid-cols-2 gap-12">
                <!-- Function 1 -->
                <div class="bg-white rounded-xl p-8 shadow-lg">
                    <div class="flex items-center mb-6">
                        <div class="bg-indigo-100 text-indigo-600 p-3 rounded-lg mr-4">
                            <i class="fas fa-terminal text-xl"></i>
                        </div>
                        <h3 class="text-2xl font-bold">Prompt 生成器</h3>
                    </div>
                    <p class="text-slate-600 mb-4 leading-relaxed">
                        通过直观的表单或引导式输入流程，自动生成结构化的 AI 提示词。无论您需要角色设定、任务描述还是输出格式要求，我们的生成器都能帮助您创建专业级指令。
                    </p>
                    <ul class="space-y-2 text-slate-600">
                        <li class="flex items-start">
                            <i class="fas fa-check-circle text-indigo-500 mt-1 mr-2"></i>
                            <span>支持多步骤提示词构建</span>
                        </li>
                        <li class="flex items-start">
                            <i class="fas fa-check-circle text-indigo-500 mt-1 mr-2"></i>
                            <span>预设模板库快速启动</span>
                        </li>
                        <li class="flex items-start">
                            <i class="fas fa-check-circle text-indigo-500 mt-1 mr-2"></i>
                            <span>实时预览生成效果</span>
                        </li>
                    </ul>
                </div>
                
                <!-- Function 2 -->
                <div class="bg-white rounded-xl p-8 shadow-lg">
                    <div class="flex items-center mb-6">
                        <div class="bg-indigo-100 text-indigo-600 p-3 rounded-lg mr-4">
                            <i class="fas fa-book-open text-xl"></i>
                        </div>
                        <h3 class="text-2xl font-bold">Prompt 库</h3>
                    </div>
                    <p class="text-slate-600 mb-4 leading-relaxed">
                        分类存储和管理您的常用提示词，支持多维度标签系统和智能搜索功能。无论是编程助手、文案创作还是数据分析，都能快速找到最适合的提示词模板。
                    </p>
                    <ul class="space-y-2 text-slate-600">
                        <li class="flex items-start">
                            <i class="fas fa-check-circle text-indigo-500 mt-1 mr-2"></i>
                            <span>多级分类树状结构</span>
                        </li>
                        <li class="flex items-start">
                            <i class="fas fa-check-circle text-indigo-500 mt-1 mr-2"></i>
                            <span>智能标签与全文搜索</span>
                        </li>
                        <li class="flex items-start">
                            <i class="fas fa-check-circle text-indigo-500 mt-1 mr-2"></i>
                            <span>一键收藏常用模板</span>
                        </li>
                    </ul>
                </div>
                
                <!-- Function 3 -->
                <div class="bg-white rounded-xl p-8 shadow-lg">
                    <div class="flex items-center mb-6">
                        <div class="bg-indigo-100 text-indigo-600 p-3 rounded-lg mr-4">
                            <i class="fas fa-tachometer-alt text-xl"></i>
                        </div>
                        <h3 class="text-2xl font-bold">性能优化工具</h3>
                    </div>
                    <p class="text-slate-600 mb-4 leading-relaxed">
                        分析您的提示词效果，提供数据驱动的优化建议。减少 AI 的废话或错误响应，通过精准调整提示词结构、长度和关键词，获得更符合预期的输出结果。
                    </p>
                    <ul class="space-y-2 text-slate-600">
                        <li class="flex items-start">
                            <i class="fas fa-check-circle text-indigo-500 mt-1 mr-2"></i>
                            <span>响应质量评分系统</span>
                        </li>
                        <li class="flex items-start">
                            <i class="fas fa-check-circle text-indigo-500 mt-1 mr-2"></i>
                            <span>关键修改建议</span>
                        </li>
                        <li class="flex items-start">
                            <i class="fas fa-check-circle text-indigo-500 mt-1 mr-2"></i>
                            <span>版本对比与历史记录</span>
                        </li>
                    </ul>
                </div>
                
                <!-- Function 4 -->
                <div class="bg-white rounded-xl p-8 shadow-lg">
                    <div class="flex items-center mb-6">
                        <div class="bg-indigo-100 text-indigo-600 p-3 rounded-lg mr-4">
                            <i class="fas fa-users-cog text-xl"></i>
                        </div>
                        <h3 class="text-2xl font-bold">团队协作</h3>
                    </div>
                    <p class="text-slate-600 mb-4 leading-relaxed">
                        共享 Prompt 模板并支持多人协同编辑，内置版本管理和权限控制系统。特别适合企业和项目团队建立统一的 AI 使用规范，提高工作效率。
                    </p>
                    <ul class="space-y-2 text-slate-600">
                        <li class="flex items-start">
                            <i class="fas fa-check-circle text-indigo-500 mt-1 mr-2"></i>
                            <span>团队空间与权限管理</span>
                        </li>
                        <li class="flex items-start">
                            <i class="fas fa-check-circle text-indigo-500 mt-1 mr-2"></i>
                            <span>变更历史与版本回滚</span>
                        </li>
                        <li class="flex items-start">
                            <i class="fas fa-check-circle text-indigo-500 mt-1 mr-2"></i>
                            <span>评论与反馈系统</span>
                        </li>
                    </ul>
                </div>
            </div>
        </div>
    </section>

    <!-- Divider -->
    <div class="section-divider my-12"></div>

    <!-- Try Now Section -->
    <section id="try-now" class="py-20 bg-white">
        <div class="container mx-auto px-6">
            <div class="max-w-4xl mx-auto">
                <div class="text-center mb-16">
                    <h2 class="text-3xl md:text-4xl font-bold mb-4 font-serif">立即体验 AI 提示词的强大</h2>
                    <p class="text-lg text-slate-600 max-w-2xl mx-auto">
                        注册即送 30 天高级会员，体验完整的 Prompt 优化与管理功能
                    </p>
                </div>

                <div class="grid md:grid-cols-2 gap-8 items-center">
                    <div>
                        <h3 class="text-2xl font-bold mb-4">PromptCraft 工作流程</h3>
                        <div class="mermaid">
                            graph TD
                                A[输入任务需求] --> B{选择模板或新建}
                                B -->|新建| C[引导式构建提示词]
                                B -->|模板| D[选择预设模板]
                                C --> E[优化与调整]
                                D --> E
                                E --> F[测试与评估]
                                F --> G{是否满意?}
                                G -->|是| H[保存到词库]
                                G -->|否| E
                        </div>
                    </div>
                    <div>
                        <div class="bg-indigo-50 rounded-xl p-8">
                            <h3 class="text-2xl font-bold mb-6">创建您的账户</h3>
                            <form>
                                <div class="mb-4">
                                    <label class="block text-slate-700 font-medium mb-2" for="email">电子邮箱</label>
                                    <input type="email" id="email" class="w-full px-4 py-3 rounded-lg border border-slate-300 focus:outline-none focus:ring-2 focus:ring-indigo-500 focus:border-transparent" placeholder="您的电子邮箱">
                                </div>
                                <div class="mb-4">
                                    <label class="block text-slate-700 font-medium mb-2" for="password">密码</label>
                                    <input type="password" id="password" class="w-full px-4 py-3 rounded-lg border border-slate-300 focus:outline-none focus:ring-2 focus:ring-indigo-500 focus:border-transparent" placeholder="至少8位字符">
                                </div>
                                <button type="submit" class="w-full bg-indigo-600 hover:bg-indigo-700 text-white font-bold py-3 px-4 rounded-lg transition duration-300 transform hover:scale-105">
                                    立即开始 <i class="fas fa-arrow-right ml-2"></i>
                                </button>
                                <p class="text-sm text-slate-500 mt-4 text-center">
                                    点击"立即开始"即表示同意我们的服务条款和隐私政策
                                </p>
                            </form>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- Testimonials Section -->
    <section class="py-20 bg-slate-50">
        <div class="container mx-auto px-6">
            <div class="text-center mb-16">
                <h2 class="text-3xl md:text-4xl font-bold mb-4 font-serif">用户评价</h2>
                <p class="text-lg text-slate-600 max-w-2xl mx-auto">
                    听听我们的用户如何评价 PromptCraft
                </p>
            </div>

            <div class="grid md:grid-cols-3 gap-8">
                <!-- Testimonial 1 -->
                <div class="bg-white rounded-xl p-8 shadow-lg">
                    <div class="flex items-center mb-4">
                        <div class="w-12 h-12 rounded-full bg-indigo-100 flex items-center justify-center text-indigo-600 mr-4">
                            <i class="fas fa-user-tie text-xl"></i>
                        </div>
                        <div>
                            <h4 class="font-bold">张经理</h4>
                            <p class="text-sm text-slate-500">科技公司产品总监</p>
                        </div>
                    </div>
                    <p class="text-slate-600 italic">
                        "PromptCraft 彻底改变了我们团队使用 AI 的方式。现在我们的提示词标准化程度提高了 70%，AI 生成的内容质量显著提升。"
                    </p>
                    <div class="mt-4 text-yellow-400">
                        <i class="fas fa-star"></i>
                        <i class="fas fa-star"></i>
                        <i class="fas fa-star"></i>
                        <i class="fas fa-star"></i>
                        <i class="fas fa-star"></i>
                    </div>
                </div>
                
                <!-- Testimonial 2 -->
                <div class="bg-white rounded-xl p-8 shadow-lg">
                    <div class="flex items-center mb-4">
                        <div class="w-12 h-12 rounded-full bg-indigo-100 flex items-center justify-center text-indigo-600 mr-4">
                            <i class="fas fa-user-graduate text-xl"></i>
                        </div>
                        <div>
                            <h4 class="font-bold">李研究员</h4>
                            <p class="text-sm text-slate-500">大学AI实验室</p>
                        </div>
                    </div>
                    <p class="text-slate-600 italic">
                        "作为一个研究者，我需要精准的提示词来获取专业的AI响应。PromptCraft的优化工具帮我节省了大量调试时间，研究成果产出效率提高了40%。"
                    </p>
                    <div class="mt-4 text-yellow-400">
                        <i class="fas fa-star"></i>
                        <i class="fas fa-star"></i>
                        <i class="fas fa-star"></i>
                        <i class="fas fa-star"></i>
                        <i class="fas fa-star"></i>
                    </div>
                </div>
                
                <!-- Testimonial 3 -->
                <div class="bg-white rounded-xl p-8 shadow-lg">
                    <div class="flex items-center mb-4">
                        <div class="w-12 h-12 rounded-full bg-indigo-100 flex items-center justify-center text-indigo-600 mr-4">
                            <i class="fas fa-paint-brush text-xl"></i>
                        </div>
                        <div>
                            <h4 class="font-bold">王设计师</h4>
                            <p class="text-sm text-slate-500">创意总监</p>
                        </div>
                    </div>
                    <p class="text-slate-600 italic">
                        "MidJourney提示词一直是我的痛点，直到发现PromptCraft。现在我能轻松生成高质量的视觉描述，创作效率提升了一倍！"
                    </p>
                    <div class="mt-4 text-yellow-400">
                        <i class="fas fa-star"></i>
                        <i class="fas fa-star"></i>
                        <i class="fas fa-star"></i>
                        <i class="fas fa-star"></i>
                        <i class="fas fa-star-half-alt"></i>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- Final CTA -->
    <section class="py-20 hero-gradient text-white">
        <div class="container mx-auto px-6 text-center">
            <h2 class="text-3xl md:text-5xl font-bold mb-6 font-serif">准备好提升您的 AI 体验了吗？</h2>
            <p class="text-xl opacity-90 mb-10 leading-relaxed max-w-3xl mx-auto">
                加入数千名已经通过 PromptCraft 提高工作效率的专业人士
            </p>
            <a href="#try-now" class="inline-block bg-white text-indigo-600 hover:bg-indigo-50 px-8 py-4 rounded-lg font-medium text-lg transition-all duration-300 transform hover:scale-105 shadow-lg">
                立即免费试用 <i class="fas fa-arrow-right ml-2"></i>
            </a>
        </div>
    </section>

    <script>
        mermaid.initialize({
            startOnLoad: true,
            theme: 'default',
            flowchart: {
                useMaxWidth: true,
                htmlLabels: true,
                curve: 'basis'
            }
        });
    </script>
</body>
</html>
```